Home / 118,581.08-163,683.56-73,293.80

Finding the Fourth Proportional to 118,581.08, 163,683.56 and 73,293.80

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Solution

The fourth proportional to 118,581.08, 163,683.56 and 73,293.80 is: 101,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,581.08 : 163,683.56 = 73,293.80 : x
  2. Step 2: Convert to fraction form
    118,581.08/163,683.56 = 73,293.80/x
  3. Step 3: Cross multiply
    118,581.08x = 163,683.56 × 73,293.80
  4. Step 4: Simplify right side
    118,581.08x = 11,996,990,109.93
  5. Step 5: Solve for x
    x = 11,996,990,109.93/118,581.08
  6. Step 6: Final answer
    x = 101,171.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.